Overview

Unitary's purpose is to make the internet safer in order to improve lives and create a fairer world. We are a rapidly growing start-up developing solutions that blend human expertise and AI agents to handle manual customer and marketplace operations tasks. Our approach combines human expertise (high accuracy and nuanced decision-making) with AI automation (speed and cost efficiency) to solve real-world challenges in trust & safety and beyond. We believe in an online world free from harm, where we can trust AI to make safe and fair decisions. We have raised about $25M in VC funding from top-tier funds, including Creandum and Plural, and operate at a significant scale—analyzing millions of images and videos daily from the world\'s largest platforms. We are excited about our plans for growth over the coming year and beyond.

The role is for a Senior/Staff Engineer and reports to a Staff Engineer. The position can be based in the UK or anywhere within 3 hours of the UK timezone.

Responsibilities

• Re-imagine and refactor our existing services and tooling.
• Deliver software as part of onboarding new clients and use cases.
• Work in a customer-focused team alongside Machine Learning Engineers developing the Agent AI needed to operate customer processes.
• Establish design patterns and approaches that others can follow.
• Bridge our Machine Learning and Platform Engineering capabilities, acting as software glue to bring them together effectively.
• Contribute to a new generation of tools and services for building AI Agents.
• Coordinate design and architecture to enable scalable growth (aiming to support 30+ clients).

Qualifications

• Expert Python development experience.
• Ability to venture into Data Engineering, MLOps and/or Platform Engineering.
• Track record of delivering solutions in the areas mentioned above.
• Strong skills in creating and managing containerised microservices running on Kubernetes.
• Advocate of software best practices, standards, and culture.
• Hands-on development focus with a plan to continue actively coding for at least the next 12 months.
• Knowledge of event-driven architectures.
• DevOps mindset and the ability to apply it using cloud platforms.
• Basic knowledge of Go (back-end services in Go).
• Experience using AI-assisted code development tools (e.g. Cursor).
• Understanding of machine learning principles.

Nice to have

• Experience working in a start-up environment.
• Confidence using AWS.

Benefits

• Flexible hours and location.
• Competitive salary and equity package.
• Occupational pension.
• Generous paid parental leave.
• Generous paid sick leave.
• Annual budget for professional development and growth.
• Annual budget for individual health and wellness.
• Three team offsites to London or other exciting destinations in Europe.

Company

Unitary is a remote-first team of 20+ people across Europe and North America, passionate about making the internet a safer place. Our culture is built on trust, transparency and self-leadership.